CQE_CMP_VALID
if (CQE_CMP_VALID(hw_cqe, peek_flags)) {
if (CQE_CMP_VALID(peek_hwcqe, peek_flags)) {
rc = !CQE_CMP_VALID(hw_cqe, cq->dbinfo.flags);
if (!CQE_CMP_VALID(hw_cqe, cq->dbinfo.flags))